package com.unipay.spring.proxy;

/**
 * @BelongsProject: SSM
 * @Author: cmy
 * @CreateTime: 2023-01-17  09:51
 * @Description: TODO
 */
public interface Calculator {
    int add(int i, int j);
    int sub(int i, int j);
    int mul(int i, int j);
    int div(int i, int j);
}
